/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.graphics;

import android.content.Context;
import android.graphics.*;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.*;
import android.os.Bundle;
import android.view.*;

public class ShapeDrawable1 extends GraphicsActivity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(new SampleView(this));
	}

	private static class SampleView extends View {
		private ShapeDrawable[] mDrawables;

		private static Shader makeSweep() {
			return new SweepGradient(150, 25, new int[] { 0xFFFF0000,
					0xFF00FF00, 0xFF0000FF, 0xFFFF0000 }, null);
		}

		private static Shader makeLinear() {
			return new LinearGradient(0, 0, 50, 50, new int[] { 0xFFFF0000,
					0xFF00FF00, 0xFF0000FF }, null, Shader.TileMode.MIRROR);
		}

		private static Shader makeTiling() {
			int[] pixels = new int[] { 0xFFFF0000, 0xFF00FF00, 0xFF0000FF, 0 };
			Bitmap bm = Bitmap.createBitmap(pixels, 2, 2,
					Bitmap.Config.ARGB_8888);

			return new BitmapShader(bm, Shader.TileMode.REPEAT,
					Shader.TileMode.REPEAT);
		}

		private static class MyShapeDrawable extends ShapeDrawable {
			private Paint mStrokePaint = new Paint(Paint.ANTI_ALIAS_FLAG);

			public MyShapeDrawable(Shape s) {
				super(s);
				mStrokePaint.setStyle(Paint.Style.STROKE);
			}

			public Paint getStrokePaint() {
				return mStrokePaint;
			}

			@Override
			protected void onDraw(Shape s, Canvas c, Paint p) {
				s.draw(c, p);
				s.draw(c, mStrokePaint);
			}
		}

		public SampleView(Context context) {
			super(context);
			setFocusable(true);

			float[] outerR = new float[] { 12, 12, 12, 12, 0, 0, 0, 0 };
			RectF inset = new RectF(6, 6, 6, 6);
			float[] innerR = new float[] { 12, 12, 0, 0, 12, 12, 0, 0 };

			Path path = new Path();
			path.moveTo(50, 0);
			path.lineTo(0, 50);
			path.lineTo(50, 100);
			path.lineTo(100, 50);
			path.close();

			mDrawables = new ShapeDrawable[7];
			mDrawables[0] = new ShapeDrawable(new RectShape());
			mDrawables[1] = new ShapeDrawable(new OvalShape());
			mDrawables[2] = new ShapeDrawable(new RoundRectShape(outerR, null,
					null));
			mDrawables[3] = new ShapeDrawable(new RoundRectShape(outerR, inset,
					null));
			mDrawables[4] = new ShapeDrawable(new RoundRectShape(outerR, inset,
					innerR));
			mDrawables[5] = new ShapeDrawable(new PathShape(path, 100, 100));
			mDrawables[6] = new MyShapeDrawable(new ArcShape(45, -270));

			mDrawables[0].getPaint().setColor(0xFFFF0000);
			mDrawables[1].getPaint().setColor(0xFF00FF00);
			mDrawables[2].getPaint().setColor(0xFF0000FF);
			mDrawables[3].getPaint().setShader(makeSweep());
			mDrawables[4].getPaint().setShader(makeLinear());
			mDrawables[5].getPaint().setShader(makeTiling());
			mDrawables[6].getPaint().setColor(0x88FF8844);

			PathEffect pe = new DiscretePathEffect(10, 4);
			PathEffect pe2 = new CornerPathEffect(4);
			mDrawables[3].getPaint().setPathEffect(
					new ComposePathEffect(pe2, pe));

			MyShapeDrawable msd = (MyShapeDrawable) mDrawables[6];
			msd.getStrokePaint().setStrokeWidth(4);
		}

		@Override
		protected void onDraw(Canvas canvas) {

			int x = 10;
			int y = 10;
			int width = 300;
			int height = 50;

			for (Drawable dr : mDrawables) {
				dr.setBounds(x, y, x + width, y + height);
				dr.draw(canvas);
				y += height + 5;
			}
		}
	}
}
